# code: http://golf.shinh.org/reveal.rb?vo+we++l+++spa++++ci+++++ng/tails_1646377273&nbb
# target Nibbles version: 0.24
# commenter version: 0.1.2.181

+ #(concat):[chr] 
    ! #(zip with):[[chr]] 
        % #(split (remove empties)):[[chr]] 
            + #(concat):[chr] 
                . #(map):[[chr]] 
                    @ #(= fstLine):[chr] 
                    : #(append):[chr] <--arg( A:chr ) 
                        $ #(= A):chr 
                        < #(take):[chr] 
                            ? #(index):int 
                                "aeio" #(string):[chr] 
                                $ #(= A):chr 
                            " " #(string):[chr] 
            ~ #(auto = words):auto 
        . #(map):[[chr]] <--arg( B:[chr] ) 
            , #(range from 1):[int] 
                ~ #(auto = infinity):auto 
            ^ #(replicate):[chr] <--arg( C:int ) 
                $ #(= C):int 
                " " #(string):[chr] 
        : #(zipop: cons):null